"Do you really trust this guy?" Styles scoffed.
He was already a bit apprehensive about having Chris around them, and now another one added to their worries. At first, their initial plan was only to use Chris to find Castle's new location, and possibly extract more information. But after Chris dropped by at Katherine's penthouse earlier that day and revealed to them about his situation, their plans had changed.
There was no telling whether they would all be working together from now on—especially since he couldn't be so sure about Gus yet, but as far as he could see in the future—if Chris and Gus were to join their small team, he could only hope that they would have a bigger chance in taking down Shadow.